A239151 - cp's OEIS frontend

A239151 Number of (n+1)X(2+1) 0..3 arrays with no element equal to all horizontal neighbors or unequal to all vertical neighbors, and new values 0..3 introduced in row major order.

n	a(n)
1	2
2	2
3	55
4	208
5	2778
6	17050
7	166531
8	1221727
9	10652903
10	83558723
11	698912193
12	5620874008
13	46297856418
14	375826633534
15	3078013187839
16	25072750273992
17	204911552403250
18	1671311190316246
19	13648365689804011
20	111372868203567131

[2, 2, 55, 208, 2778, 17050, 166531, 1221727, 10652903, 83558723, 698912193, 5620874008, 46297856418, 375826633534, 3078013187839, 25072750273992, 204911552403250, 1671311190316246, 13648365689804011, 111372868203567131]

cp's OEIS Frontend

A239151 Number of (n+1)X(2+1) 0..3 arrays with no element equal to all horizontal neighbors or unequal to all vertical neighbors, and new values 0..3 introduced in row major order.

Table of values

List of values